Li, YunyanXia, XiaohuaShen, Yanjun2014-07-292014-12-012013-05Yunyan Li, Xiaohua Xia & Yanjun Shen (2013) A high-gain-based global finite-time nonlinear observer, International Journal of Control, 86:5, 759-767, DOI: 10.1080/00207179.2012.760045.0020-7179 (print)1366-5820 (online)10.1080/00207179.2012.760045http://hdl.handle.net/2263/41001In this paper, a global finite-time observer is designed for a class of nonlinear systems with bounded rational powers imposed on the incremental nonlinearities. Compared with the previous global finite-time results, the new observer designed here is with a new gain update law. Moreover, an example is given to show that the proposed observer can reduce the time of the observation error convergence.en© 2013 Taylor and Francis. This is an electronic version of an article published in International Journal of Control, vol.86, no. 5, pp.759-767, 2013.doi : 10.1080/00207179.2012.760045. International Journal of Control is available online at : http://www.tandfonline.com/loi/tcon20.Global finite-time observerHigh gainNonlinear systemHomogeneityPostprint Article